<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>双飞翼布局</title>
<style>
    body{
        outline: none;
        padding: 0;
        margin: 0;
        color: #fff;
    }
    .header {
        height: 40px;
        width: 100%;
        background-color: #a01321;
    }
    .container{
        height: 400px;
        margin: 0 200px;
    }
    .left{
        width: 200px;
        height: 400px;
        background-color: green;
        float: left;
        margin-left: -100%;
        position: relative;
        left: -200px;
    }
    .center{
        float: left;
        height: 400px;
        width: 100%;
        background-color: red;
    }
    .right{
        width: 200px;
        height: 400px;
        background-color: blue;
        float: left;
        margin-left: -200px;
        position: relative; 
        right: -200px; 
    }
    .footer{
        height: 40px;
        background-color: black;
    }
</style>
</head>
<body>
    <header class="header"><h4>1234</h4></header>
    <div class="container" >
        <div class="center">
            content
        </div>
        <div class="left">left</div>
        <div class="right">right</div>
    </div>
    <footer class="footer">header</footer>
</body>
<script type="text/javascript">
</script>
</html>